smacky jack

To inject heroine into an erect penis just before orgasming. The effect is both explosive and calming. The combination of stimulant and downer exponentially increases the pleasure of each.
I wanted to try the smacky jack last night, but I was all out of smack!
by Loube July 30, 2006
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Jack Back

Jack Back

1. To steal something back from someone who stole from you (i.e. jacked you).

2. To jump, attack, or otherwise harm in retaliation for the same thing having been done to you.

Popularized by the rap song of the same name.
Guy 1: Hey, there goes that dude who stole my Cd's

Guy 2: Did he lock his car door?

Guy 1: No, let's hit him with a jack back!
by MastaRoe March 17, 2010
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Flap Jacks

A Woman with breasts that are flat. Deflated Titties.
An old age home is a great place to find Flap Jacks.
by Leon June 21, 2004
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Jack Harlowed

When your ass gets slapped so hard that a hand print is left behind, as in the song lyrics in Industry Baby - “sent her back to her boyfriend with my hand print on her ass cheek”
I got jack harlowed by my hinge date last night
by mellyrock October 13, 2021
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A Jack Epstein

an attempt at committing suicide by jumping off one's mom's balcony, but failing miserably and going on a homosexual oddysey in which one finds oneself and dates falon lewis. He hurts himself really badly.
dude! I had a bad bad day at school so i went home and pulled a jack epstein. it hurt soooooo much!!!!!

dawg somone called me an indian and i felt so bad i pulled a jack epstein.

They told me a 2 inch penis was small, so i decided a jack epstein was the way to go.
by sean "dickinass"wallace February 20, 2009
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Jack Sparrow

Jack is cunning, witty and a little bit drunk. He is shoor of his self and determined to mett is goal.
"But why is the rum gone?"
"So... I ask you: Can you seal under a comand of a pirate?"
"Hair... From my back."
"If you were looking by a chance to tell her that you love her, mate. That was it."
by *Iri* November 28, 2003
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longback jack

a guy with an abnormally long spine, usually can be found in biology classes being tormented for his unfortunate state and is commonly associated with grapes.
'hey longback jack ford, how did you manage to get in the door?!'
by clomofo January 07, 2010
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